Security record
RMBS
Rambus Inc. · Technology · Semiconductors
141Tracked holders
+6Δ holders
78.39MShares held
$10.36BReported value
+12New positions
−5Exits
Momentum inputs (comparable managers):
holder breadth +4.4% ·
share flow +3.0% ·
net new positions +5.0%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 141 | +6 | 78.39M | $10.36B | +12 | −5 |
| Q1 2026 | 137 | -4 | 75.08M | $6.44B | +5 | −10 |
| Q4 2025 | 140 | 0 | 82.50M | $7.59B | +2 | −1 |
| Q3 2025 | 21 | +3 | 52.09M | $5.43B | +3 | −1 |
| Q2 2025 | 16 | 0 | 44.72M | $2.86B | +1 | −1 |
| Q1 2025 | 13 | -3 | 20.22M | $1.05B | — | −3 |
| Q4 2024 | 16 | +1 | 18.03M | $953.00M | +1 | — |
| Q3 2024 | 14 | +2 | 9.95M | $420.01M | +2 | — |
| Q2 2024 | 12 | — | 12.20M | $716.28M | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 13.96M | -14.4% | $1.85B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 13.96M | -14.4% | $1.85B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 13.96M | -14.4% | $1.85B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 13.96M | -14.4% | $1.85B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 13.96M | -14.4% | $1.85B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 13.96M | -14.4% | $1.85B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 13.96M | -14.4% | $1.85B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 13.96M | -14.4% | $1.85B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 13.96M | -14.4% | $1.85B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 13.96M | -14.4% | $1.85B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 13.96M | -14.4% | $1.85B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 13.96M | -14.4% | $1.85B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 13.96M | -14.4% | $1.85B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 13.96M | -14.4% | $1.85B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 13.96M | -14.4% | $1.85B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 13.96M | -14.4% | $1.85B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 13.96M | -14.4% | $1.85B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 13.96M | -14.4% | $1.85B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 19 | Fidelity (FMR) ✦ | 10.46M | +215.2% | $1.39B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 20 | Fidelity (FMR) ✦ | 10.46M | +215.2% | $1.39B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 21 | Fidelity (FMR) ✦ | 10.46M | +215.2% | $1.39B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 22 | Fidelity (FMR) ✦ | 10.46M | +215.2% | $1.39B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 23 | Fidelity (FMR) ✦ | 10.46M | +215.2% | $1.39B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 24 | Fidelity (FMR) ✦ | 10.46M | +215.2% | $1.39B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 25 | Invesco Ltd. | 6.63M | +2.0% | $880.39M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 26 | Invesco Ltd. | 6.63M | +2.0% | $880.39M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 27 | Invesco Ltd. | 6.63M | +2.0% | $880.39M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 28 | Invesco Ltd. | 6.63M | +2.0% | $880.39M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 29 | Invesco Ltd. | 6.63M | +2.0% | $880.39M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 30 | Invesco Ltd. | 6.63M | +2.0% | $880.39M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 31 | Invesco Ltd. | 6.63M | +2.0% | $880.39M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 32 | Invesco Ltd. | 6.63M | +2.0% | $880.39M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 33 | Vanguard Capital Management Llc | 4.87M | +1.0% | $647.03M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 34 | State Street Global Advisors ✦ (passive) | 3.92M | -10.5% | $519.50M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 35 | T. Rowe Price ✦ | 3.33M | -1.2% | $442.62M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 36 | T. Rowe Price ✦ | 3.33M | -1.2% | $442.62M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 37 | Geode Capital Management ✦ (passive) | 2.30M | -26.5% | $305.06M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 38 | Geode Capital Management ✦ (passive) | 2.30M | -26.5% | $305.06M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 39 | JPMorgan Chase ✦ | 2.10M | +14.4% | $260.99M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 40 | JPMorgan Chase ✦ | 2.10M | +14.4% | $260.99M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 41 | JPMorgan Chase ✦ | 2.10M | +14.4% | $260.99M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 42 | JPMorgan Chase ✦ | 2.10M | +14.4% | $260.99M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 43 | JPMorgan Chase ✦ | 2.10M | +14.4% | $260.99M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 44 | JPMorgan Chase ✦ | 2.10M | +14.4% | $260.99M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 45 | JPMorgan Chase ✦ | 2.10M | +14.4% | $260.99M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 46 | JPMorgan Chase ✦ | 2.10M | +14.4% | $260.99M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 47 | JPMorgan Chase ✦ | 2.10M | +14.4% | $260.99M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 48 | Dimensional Fund Advisors Lp | 1.72M | -4.2% | $228.19M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 49 | Dimensional Fund Advisors Lp | 1.72M | -4.2% | $228.19M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 50 | Dimensional Fund Advisors Lp | 1.72M | -4.2% | $228.19M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 51 | Dimensional Fund Advisors Lp | 1.72M | -4.2% | $228.19M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 52 | Dimensional Fund Advisors Lp | 1.72M | -4.2% | $228.19M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 53 | Swedbank AB | 1.65M | +5.3% | $218.56M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 54 | Norges Bank ✦ (passive) | 1.53M | New | $203.44M | 0.0% | New | 1 | SEC ↗ |
| 55 | Morgan Stanley ✦ | 1.44M | +19.1% | $191.71M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 56 | Morgan Stanley ✦ | 1.44M | +19.1% | $191.71M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 57 | Morgan Stanley ✦ | 1.44M | +19.1% | $191.71M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 58 | Morgan Stanley ✦ | 1.44M | +19.1% | $191.71M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 59 | Morgan Stanley ✦ | 1.44M | +19.1% | $191.71M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 60 | Morgan Stanley ✦ | 1.44M | +19.1% | $191.71M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 61 | Morgan Stanley ✦ | 1.44M | +19.1% | $191.71M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 62 | Morgan Stanley ✦ | 1.44M | +19.1% | $191.71M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 63 | Morgan Stanley ✦ | 1.44M | +19.1% | $191.71M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 64 | Morgan Stanley ✦ | 1.44M | +19.1% | $191.71M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 65 | Morgan Stanley ✦ | 1.44M | +19.1% | $191.71M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 66 | Morgan Stanley ✦ | 1.44M | +19.1% | $191.71M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 67 | Morgan Stanley ✦ | 1.44M | +19.1% | $191.71M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 68 | Morgan Stanley ✦ | 1.44M | +19.1% | $191.71M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 69 | Morgan Stanley ✦ | 1.44M | +19.1% | $191.71M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 70 | Morgan Stanley ✦ | 1.44M | +19.1% | $191.71M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 71 | Morgan Stanley ✦ | 1.44M | +19.1% | $191.71M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 72 | Morgan Stanley ✦ | 1.44M | +19.1% | $191.71M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 73 | Morgan Stanley ✦ | 1.44M | +19.1% | $191.71M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 74 | Neuberger Berman Group LLC | 1.31M | +0.7% | $173.45M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 75 | Neuberger Berman Group LLC | 1.31M | +0.7% | $173.45M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 76 | Bank Of America Corp /De/ | 1.22M | -10.5% | $161.77M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 77 | Bank Of America Corp /De/ | 1.22M | -10.5% | $161.77M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 78 | Bank Of America Corp /De/ | 1.22M | -10.5% | $161.77M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 79 | Bank Of America Corp /De/ | 1.22M | -10.5% | $161.77M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 80 | Bank Of America Corp /De/ | 1.22M | -10.5% | $161.77M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 81 | Bank Of America Corp /De/ | 1.22M | -10.5% | $161.77M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 82 | Bank Of America Corp /De/ | 1.22M | -10.5% | $161.77M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 83 | AQR Capital Management ✦ | 1.21M | -3.1% | $152.48M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 84 | AQR Capital Management ✦ | 1.21M | -3.1% | $152.48M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 85 | AQR Capital Management ✦ | 1.21M | -3.1% | $152.48M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 86 | AQR Capital Management ✦ | 1.21M | -3.1% | $152.48M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 87 | AQR Capital Management ✦ | 1.21M | -3.1% | $152.48M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 88 | AQR Capital Management ✦ | 1.21M | -3.1% | $152.48M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 89 | AQR Capital Management ✦ | 1.21M | -3.1% | $152.48M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 90 | AQR Capital Management ✦ | 1.21M | -3.1% | $152.48M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 91 | Charles Schwab Investment… | 1.11M | -16.4% | $147.23M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 92 | Charles Schwab Investment… | 1.11M | -16.4% | $147.23M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 93 | Goldman Sachs Group ✦ | 960.88K | +4.2% | $127.55M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 94 | Goldman Sachs Group ✦ | 960.88K | +4.2% | $127.55M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 95 | Goldman Sachs Group ✦ | 960.88K | +4.2% | $127.55M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 96 | Northern Trust Corp | 949.11K | -28.9% | $125.99M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 97 | Northern Trust Corp | 949.11K | -28.9% | $125.99M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 98 | Northern Trust Corp | 949.11K | -28.9% | $125.99M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 99 | Northern Trust Corp | 949.11K | -28.9% | $125.99M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 100 | Northern Trust Corp | 949.11K | -28.9% | $125.99M | 0.0% | ▼ Trim | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $203.44M | 0.0% |
Exited
| Td Asset Management Inc | $10.35M | was 0.0% |
| Holocene Advisors, LP | $4.27M | was 0.0% |
| Bamco Inc /Ny/ | $267,639 | was 0.0% |
| Optiver Holding B.V. | $41,294 | was 0.0% |
| Group One Trading Llc | $32,003 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 549 holders, 100.74M shares, $7.93B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Aug 07
KISSNER CHARLES
Director · 5.00K sh · $504,600
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Jul 29
SC 13G/A — BlackRock, Inc.
Jun 05
SC 13G — FMR LLC
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2026 ·
Methodology ·
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